Auditory central nervous system plasticity: application to cochlear implantation

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    Author
    Clark, Graeme M.
    Date
    1997
    Source Title
    Cochlear Implants: XVI World Congress of Otohinolaryngology Head and Neck Surgery
    Publisher
    Monduzzi Editore
    University of Melbourne Author/s
    Clark, Graeme
    Metadata
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    Document Type
    Conference Paper
    Citations
    Clark, G. M. (1997). Auditory central nervous system plasticity: application to cochlear implantation. In Cochlear Implants: XVI World Congress of Otohinolaryngology Head and Neck Surgery, Sydney, N.S.W.
    Access Status
    Open Access
    URI
    http://hdl.handle.net/11343/26971
    Description

    This is a publisher’s version of a paper from XVI World Congress of Otohinolaryngology Head and Neck Surgery 1997, published by Monduzzi Editore. This version is reproduced with the permission of the publisher.
    Abstract
    There are two types of plasticity in the central auditory nervous system. The first type occurs during the development of neural connections within a critical period after birth. The second type of plasticity results from a change in the central representation of neurons in the mature animal after neural connectivity has been established. Evidence of a critical period for plasticity central auditory system has been demonstrated in the ferret where a marked loss of neurons in the cochlear nucleus occurs after ablation of the cochlea five days after birth (Moore, 1990). However, ablation of the cochlea 24 days post-partem (i.e. a week before the onset of hearing) has little effect.
    Keywords
    otolaryngology; cochlear implant; plasticity

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